Read URL from omnibox if present.

This updates the way STS handles text areas that have a 'value'
and no children, i.e. text areas that are in the native UI.

Bug: 820184
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: Id8d9d7609812209920273c8ca1a29ee332532dfc
Reviewed-on: https://chromium-review.googlesource.com/956351Reviewed-by: Nektarios Paisios <nektar@chromium.org>
Commit-Queue: Katie Dektar <katie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#542147}

chrome/browser/resources/chromeos/select_to_speak/paragraph_utils.js

@@ -161,7 +161,15 @@ function buildNodeGroup(nodes, index) {
         newNode = new NodeGroupItem(node, result.text.length, false);
       }
       if (newNode) {
-        result.text += newNode.node.name + ' ';
+        if (newNode.node.role == RoleType.TEXT_FIELD &&
+            newNode.node.children.length == 0 && newNode.node.value) {
+          // A text field with no children should use its value instead of
+          // the name element, this is the contents of the text field.
+          // This occurs in native UI such as the omnibox.
+          result.text += newNode.node.value + ' ';
+        } else {
+          result.text += newNode.node.name + ' ';
+        }
         result.nodes.push(newNode);
       }
     }

chrome/browser/resources/chromeos/select_to_speak/paragraph_utils_unittest.gtestjs

@@ -150,4 +150,19 @@ TEST_F('SelectToSpeakParagraphUnitTest', 'BuildNodeGroupIncludesLinks',
   assertEquals(6, result.nodes[1].startChar);
   assertEquals(linkText, result.nodes[1].node);
   assertEquals(paragraph1, result.blockParent);
+});
+
+TEST_F('SelectToSpeakParagraphUnitTest', 'BuildNodeGroupNativeTextBox',
+    function() {
+  let root = {role: 'desktop'};
+  let parent = {role: 'pane', parent: root, root: root};
+  let searchBar = {role: 'textField', name: 'Address and search bar',
+      value: 'http://www.google.com', children: []};
+  let result = buildNodeGroup([searchBar], 0);
+  assertEquals('http://www.google.com ', result.text);
+
+  // If there is no value, it should use the name.
+  searchBar.value = '';
+  result = buildNodeGroup([searchBar], 0);
+  assertEquals('Address and search bar ', result.text);
 });
\ No newline at end of file

chrome/browser/resources/chromeos/select_to_speak/test_support.js

@@ -22,7 +22,8 @@ chrome.automation.RoleType = {
   ROOT_WEB_AREA: 'rootWebArea',
   STATIC_TEXT: 'staticText',
   INLINE_TEXT_BOX: 'inlineTextBox',
-  PARAGRAPH: 'paragraph'
+  PARAGRAPH: 'paragraph',
+  TEXT_FIELD: 'textField',
 };
 
 chrome.automation.StateType = {